Evaporation and Condensation

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Evaporation is the process where liquids turn into gases. For example when water turns into steam. Evaporation occurs when particles in a liquid gain kinetic energy (as they heat up) so are able to escape from a liquid, and become a gas.

The particles in a particular liquid have different amounts of kinetic energy. The particles with more kinetic energy are more likely to evaporate. As they evaporate the average amount of kinetic energy and speed of particles decreases, causing the liquid to cool. That is why your body produces sweat when your body is hot, so…


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